CN101026897B - 具有增强方向性的扩音器设备 - Google Patents
具有增强方向性的扩音器设备 Download PDFInfo
- Publication number
- CN101026897B CN101026897B CN200710087931XA CN200710087931A CN101026897B CN 101026897 B CN101026897 B CN 101026897B CN 200710087931X A CN200710087931X A CN 200710087931XA CN 200710087931 A CN200710087931 A CN 200710087931A CN 101026897 B CN101026897 B CN 101026897B
- Authority
- CN
- China
- Prior art keywords
- chamber
- pipeline
- opening
- loudspeaker
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/345967 | 2006-02-02 | ||
US11/345,967 US7813519B2 (en) | 2006-02-02 | 2006-02-02 | Microphone apparatus with increased directivity |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101026897A CN101026897A (zh) | 2007-08-29 |
CN101026897B true CN101026897B (zh) | 2013-03-27 |
Family
ID=38322119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710087931XA Expired - Fee Related CN101026897B (zh) | 2006-02-02 | 2007-02-02 | 具有增强方向性的扩音器设备 |
Country Status (2)
Country | Link |
---|---|
US (2) | US7813519B2 (zh) |
CN (1) | CN101026897B (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7813519B2 (en) * | 2006-02-02 | 2010-10-12 | General Motors Llc | Microphone apparatus with increased directivity |
US8054990B2 (en) * | 2006-11-22 | 2011-11-08 | General Motors Llc | Method of recognizing speech from a plurality of speaking locations within a vehicle |
US8331601B2 (en) * | 2009-08-26 | 2012-12-11 | General Motors Llc | Arrangement for mounting a microphone to an interior surface of a vehicle |
US20110164759A1 (en) * | 2010-01-06 | 2011-07-07 | General Motors Llc | Arrangement and method for mounting a microphone to an interior surface of a vehicle |
EP2638706B1 (en) * | 2010-11-12 | 2019-01-09 | Sonova AG | Hearing device with a microphone |
US8958592B2 (en) * | 2013-05-23 | 2015-02-17 | Fortemedia, Inc. | Microphone array housing with acoustic extending structure and electronic device utilizing the same |
DE102014013919B4 (de) | 2014-09-18 | 2018-12-20 | Audi Ag | Mikrofonsystem für einen Kraftwagen, Kraftwagen mit einem Mikrofonsystem und Verfahren zum Betreiben eines Mikrofonsystems eines Kraftwagens |
US10136213B2 (en) * | 2015-02-10 | 2018-11-20 | Sonion Nederland B.V. | Microphone module with shared middle sound inlet arrangement |
US20180317006A1 (en) * | 2017-04-28 | 2018-11-01 | Qualcomm Incorporated | Microphone configurations |
US11134337B2 (en) * | 2019-11-18 | 2021-09-28 | Bose Corporation | Variable port microphone |
BR112022022269A2 (pt) * | 2020-08-12 | 2023-03-07 | Shenzhen Shokz Co Ltd | Dispositivos acústicos |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2228886A (en) * | 1938-10-31 | 1941-01-14 | Rca Corp | Electroacoustical apparatus |
CN2085125U (zh) * | 1991-01-21 | 1991-09-18 | 江坤田 | 扩音器话筒 |
US5511130A (en) * | 1994-05-04 | 1996-04-23 | At&T Corp. | Single diaphragm second order differential microphone assembly |
US5848172A (en) * | 1996-11-22 | 1998-12-08 | Lucent Technologies Inc. | Directional microphone |
US5862240A (en) * | 1995-02-10 | 1999-01-19 | Sony Corporation | Microphone device |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2921993A (en) * | 1955-10-04 | 1960-01-19 | Electro Voice | Pressure gradient noise canceling microphone |
US3856992A (en) | 1971-10-06 | 1974-12-24 | D Cooper | Multidirectional sound reproduction |
US5808243A (en) | 1996-08-30 | 1998-09-15 | Carrier Corporation | Multistage turbulence shield for microphones |
US6026082A (en) | 1996-11-27 | 2000-02-15 | Telergy, Inc. | Wireless communication system |
US6445799B1 (en) | 1997-04-03 | 2002-09-03 | Gn Resound North America Corporation | Noise cancellation earpiece |
US6009183A (en) | 1998-06-30 | 1999-12-28 | Resound Corporation | Ambidextrous sound delivery tube system |
US6700985B1 (en) | 1998-06-30 | 2004-03-02 | Gn Resound North America Corporation | Ear level noise rejection voice pickup method and apparatus |
US6308074B1 (en) | 1998-08-03 | 2001-10-23 | Resound Corporation | Hands-free personal communication device and pocket sized phone |
US6639990B1 (en) | 1998-12-03 | 2003-10-28 | Arthur W. Astrin | Low power full duplex wireless link |
US6400321B1 (en) | 2000-07-17 | 2002-06-04 | Apple Computer, Inc. | Surface-mountable patch antenna with coaxial cable feed for wireless applications |
US6496149B1 (en) | 2001-02-01 | 2002-12-17 | Apple Computer, Inc. | Recessed aperture-coupled patch antenna with multiple dielectrics for wireless applications |
US7526284B2 (en) | 2002-07-18 | 2009-04-28 | General Motors Corporation | Method and system for acoustic upgrading of firmware |
US20040107097A1 (en) | 2002-12-02 | 2004-06-03 | General Motors Corporation | Method and system for voice recognition through dialect identification |
US20040209653A1 (en) | 2003-04-15 | 2004-10-21 | General Motors Corporation | Incorporating customer defined digit substitutes into standard wireless voice activated dialing processes |
US7986974B2 (en) | 2003-05-23 | 2011-07-26 | General Motors Llc | Context specific speaker adaptation user interface |
US8244536B2 (en) | 2003-08-27 | 2012-08-14 | General Motors Llc | Algorithm for intelligent speech recognition |
US7634095B2 (en) | 2004-02-23 | 2009-12-15 | General Motors Company | Dynamic tuning of hands-free algorithm for noise and driving conditions |
US7369664B2 (en) | 2004-07-16 | 2008-05-06 | General Motors Corporation | Hands-free microphone with wind guard |
US8005668B2 (en) | 2004-09-22 | 2011-08-23 | General Motors Llc | Adaptive confidence thresholds in telematics system speech recognition |
US7596370B2 (en) | 2004-12-16 | 2009-09-29 | General Motors Corporation | Management of nametags in a vehicle communications system |
US7454352B2 (en) | 2005-05-20 | 2008-11-18 | General Motors Corporation | Method and system for eliminating redundant voice recognition feedback |
US20070136063A1 (en) | 2005-12-12 | 2007-06-14 | General Motors Corporation | Adaptive nametag training with exogenous inputs |
US20070136069A1 (en) | 2005-12-13 | 2007-06-14 | General Motors Corporation | Method and system for customizing speech recognition in a mobile vehicle communication system |
US8626506B2 (en) | 2006-01-20 | 2014-01-07 | General Motors Llc | Method and system for dynamic nametag scoring |
US7813519B2 (en) | 2006-02-02 | 2010-10-12 | General Motors Llc | Microphone apparatus with increased directivity |
US7783305B2 (en) | 2006-03-08 | 2010-08-24 | General Motors Llc | Method and system for providing menu tree assistance |
US8054990B2 (en) | 2006-11-22 | 2011-11-08 | General Motors Llc | Method of recognizing speech from a plurality of speaking locations within a vehicle |
-
2006
- 2006-02-02 US US11/345,967 patent/US7813519B2/en not_active Expired - Fee Related
-
2007
- 2007-02-02 CN CN200710087931XA patent/CN101026897B/zh not_active Expired - Fee Related
-
2010
- 2010-10-08 US US12/900,543 patent/US8325959B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2228886A (en) * | 1938-10-31 | 1941-01-14 | Rca Corp | Electroacoustical apparatus |
CN2085125U (zh) * | 1991-01-21 | 1991-09-18 | 江坤田 | 扩音器话筒 |
US5511130A (en) * | 1994-05-04 | 1996-04-23 | At&T Corp. | Single diaphragm second order differential microphone assembly |
US5862240A (en) * | 1995-02-10 | 1999-01-19 | Sony Corporation | Microphone device |
US5848172A (en) * | 1996-11-22 | 1998-12-08 | Lucent Technologies Inc. | Directional microphone |
Also Published As
Publication number | Publication date |
---|---|
US20070177752A1 (en) | 2007-08-02 |
CN101026897A (zh) | 2007-08-29 |
US20110026753A1 (en) | 2011-02-03 |
US7813519B2 (en) | 2010-10-12 |
US8325959B2 (en) | 2012-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: GENERAL MOTORS CORPORATION Free format text: FORMER OWNER: MOTORS LIQUIDATION CO., LTD. Effective date: 20100505 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20100505 Address after: Michigan Applicant after: General Motors Corp. Address before: Michigan Applicant before: Motors Liquidation Company |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20180202 |
|
CF01 | Termination of patent right due to non-payment of annual fee |